Jonathan A. Zlabek, MD
Internal Medicine Physician · Milwaukee, WI
Jonathan A. Zlabek, MD is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1881698496, issued on Jun 10, 2005. Check the license (Wisconsin 40292, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan A. Zlabek
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 40292 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2301 N Lake Dr, Milwaukee, WI 53211
- Phone
- (608) 738-6827
- Enumerated
- Jun 10, 2005
- Record last updated
- Apr 17, 2024
- Medicaid ID
- 32472300 WI
- Medicare enrollment
- Enrolled (PECOS I20100818000135); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 2301 N Lake Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rami Alkhadra, DPMStudent in an Organized Health Care Education/Training Program1487440251
- Valeria Altamirano, DOStudent in an Organized Health Care Education/Training Program1700725546
Verify Jonathan A. Zlabek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 40292Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
169 Medicare Part D claims for 32 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Hydrocortisone27 claims
- Atorvastatin Calcium23 claims
- Furosemide19 claims
- Eliquis13 claims
- Clopidogrel12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $128.51
1 payment: food and beverage; the largest payer was Stryker Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Columbia St Marys Hospital Milwaukee IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan A. Zlabek among 2,078 internal medicine physician records in Wisconsin
Jonathan A. Zlabek, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1997 · median 2002 among the 1,098 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
382 internal medicine physician records list a practice address in Milwaukee
They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Milwaukee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Catherine Aleman, MDMilwaukee, WI 532111528147428
- Mitchell Carneol, MDMilwaukee, WI 532111205915105
- Daniel Hettinger, M.D.Milwaukee, WI 532111952411514
- Kevin Krembs, MDMilwaukee, WI 532111134209265
- Jennifer Leber, DOMilwaukee, WI 532111528014057
- Agnes Lun, MDMilwaukee, WI 532111437105459
- Andrew McGown, MDMilwaukee, WI 532111912954017
- Marcus Perry, MDMilwaukee, WI 532111619056264
Common questions
What is Jonathan A. Zlabek, MD's NPI number?
Jonathan A. Zlabek, MD's National Provider Identifier (NPI) is 1881698496, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan A. Zlabek, MD located?
The NPPES record lists a practice address at 2301 N Lake Dr, Milwaukee, WI, 53211. Phone: (608) 738-6827. Providers update this record themselves, so call before visiting.
How can I verify Jonathan A. Zlabek, MD's license?
NPPES lists Wisconsin license number 40292, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan A. Zlabek, MD prescribe under Medicare Part D?
In 2024, Jonathan A. Zlabek, MD had 169 Medicare Part D claims for 32 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.